If after adding your milk, protein powder, frozen fruit, banana, peanut butter and some ice you've overfilled your blender cup then this is the solution for you.This is a super high quality injection moulded plastic cup.It's compatible with all NutriBullet Original (600 watts) & NutriBullet Pro (900 watts) blender accessories.--- This blender cup WILL NOT WORK with NutriBullet Lean (1200 watts), NutriBullet RX (1700 watts) blenders, Magic Bullet or Ninja blenders --- It works with NutriBullet Original (600 watts) & NutriBullet Pro (900 watts) only.It is made from high quality plastic that is 100 safe for dishwasher.There will be no bubbles or cracking of plastic.It has a perfect seal with NutriBullet bases every time with no leaking.The threads are smoothed to make for easy on and easy off attachment of accessories.We make no claims that these are original NutriBullet products but they work the original.We are not associated with Homeland Housewares LLC.